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Many woman undergoing a surgical abortion receive a paracervical nerve block for pain reduction, in which lidocaine (a numbing medication) is injected around the cervix. These injections numb the cervix and possibly the lower part of the uterus. However, the injection can be uncomfortable and it is not well known whether it is effective in reducing pain. The purpose of this study is to determine the level of pain women experience with a surgical abortion and the effect that paracervical block might have on that pain
We expect to have 120 women complete this study, between study sites at OHSU's Center for Women's Health and Planned Parenthood Columbia Willamette in Portland, OR. Every participant will still receive the standard oral medication for pain (ibuprofen) and anxiety (lorazepam). Eligible subjects will be at least 18 years of age, less than 11 weeks pregnant and have already decided to have a surgical abortion.
The primary outcome evaluated will be pain reported at time of cervical dilation. We will assess pain at various time points (including secondary outcomes) immediately upon completion of the respective step and pain and satisfaction 30 min post operatively.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Diagnostic
Pain With Surgical Abortion
Paracervical Block, No Paracervical Block
Planned Parenthood Columbia Willamette
Not yet recruiting
Oregon Health and Science University
Published on BioPortfolio: 2014-07-23T21:09:43-0400
More research is needed to investigate methods of pain control for cervical preparation for abortion procedures. Women report pain with paracervical block injection as well as with osmotic...
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The investigators theorize that the application of a lidocaine-prilocaine cream 5-10 minutes prior to the administration of a paracervical block could decrease pain associated with its adm...
Paracervical blocks are routinely used in first trimester surgical abortions and are a proven method for decreasing procedural pain. Even when paracervical anesthesia is used, an overwhel...
To investigate whether a 20-cc buffered 1% lidocaine paracervical block decreases pain during intrauterine device (IUD) placement.
Systematic review and meta-analysis to assess the effects of uterine or paracervical lidocaine application on pain control during IUD insertion.
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Interruption of sympathetic pathways, by local injection of an anesthetic agent, at any of four levels: peripheral nerve block, sympathetic ganglion block, extradural block, and subarachnoid block.
Impaired conduction of cardiac impulse that can occur anywhere along the conduction pathway, such as between the SINOATRIAL NODE and the right atrium (SA block) or between atria and ventricles (AV block). Heart blocks can be classified by the duration, frequency, or completeness of conduction block. Reversibility depends on the degree of structural or functional defects.
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A local anesthetic of the ester type that has a slow onset and a short duration of action. It is mainly used for infiltration anesthesia, peripheral nerve block, and spinal block. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1016).
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